This post shows how to setup serial communication between two Raspberry Pi boards. Here is the list of contents of this post. Contents Prerequisites Steps Wiring Enabling UART Disabling console service Setting up terminal emulator Verify Prerequisites Two Raspberry Pi boards : Any Raspberry Pi should work. In this post, I use Raspberry Pi… Continue reading “Setting Up UART Serial Communication between Raspberry Pis”
Update (Jul 9, 2019): Now, Raspbian Buster, released on 6/20/2019, has bluez 5.50 by default! Update (March 3, 2019): Please see this post to update BlueZ to 5.50. This post shows how to update BlueZ from 5.43 (the default version comes with Raspbian Stretch November 2017 version) to 5.48 (the latest as of 2/14/2018)… Continue reading “Updating BlueZ on Raspberry Pi (5.43 to 5.48)”
Heroku’s free plan is great for experimenting/prototyping cloud applications. This post shows the steps to deploy existing Django project to Heroku cloud platform using Windows host. As an example, I’ll use this django app from GitHub and deploy it to Heroku. Here is the list of contents of this post. Contents – Steps 1. Setup Python… Continue reading “Deploying existing Django App to Heroku”
The default screen resolution for Mac OS X VirtualBox Guest is 1024×768. Below shows how to change the screen resolution of Mac OS VirtualBox guest running on Windows 10. Steps 1. Open “Command Prompt”. (press Win + x and select “Command Prompt”) 2. Navigate to VirtualBox folder in which “VBoxManage.exe” resides. e.g.) cd C:\Program… Continue reading “Changing Screen Resolution of Mac OS VirtualBox Guest”
The steps below shows how to set a file/folder path to the ‘Path’ System Environment variable on Windows 10. Steps 1. Right-click on Windows start menu icon at the bottom-left corner of the desktop (or Ctrl-x), then select “System” 2. Click on “Advanced system settings” on left side of the “System” window.… Continue reading “Setting Path Environment Variable on Windows 10”
